Finding the Fourth Proportional to 5,517,133,561.20, 8,279,731,420.20 and 3,884,546,809.20
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Solution
The fourth proportional to 5,517,133,561.20, 8,279,731,420.20 and 3,884,546,809.20 is: 5,829,658,447.20
Step by Step Solution
- Step 1: Write the proportion equation
5,517,133,561.20 : 8,279,731,420.20 = 3,884,546,809.20 : x - Step 2: Convert to fraction form
5,517,133,561.20/8,279,731,420.20 = 3,884,546,809.20/x - Step 3: Cross multiply
5,517,133,561.20x = 8,279,731,420.20 × 3,884,546,809.20 - Step 4: Simplify right side
5,517,133,561.20x = 32,163,004,269,370,892,288 - Step 5: Solve for x
x = 32,163,004,269,370,892,288/5,517,133,561.20 - Step 6: Final answer
x = 5,829,658,447.20
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.